Your session is about to expire. You will be logged out in two minutes if no action is taken.
seconds until your session expires.
If you wish to keep working, click continue.
Your session HAS EXPIRED
To continue editing this content you will need to click the link from FSM again.
Insect morphology
Head features
A number of features on the headhead: one of the three main body segments in insects; the anterior-most segment containing the many sensory structures including the eyes, antennae, and mouthparts can be useful for identification.